43087511040 has 480 divisors, whose sum is σ = 162947990304. Its totient is φ = 9681960960.

The previous prime is 43087511017. The next prime is 43087511069. The reversal of 43087511040 is 4011578034.

It is a tau number, because it is divible by the number of its divisors (480).

It is a junction number, because it is equal to n+sod(n) for n = 43087510992 and 43087511010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22954582 + ... + 22956458.

Almost surely, 2^43087511040 is an apocalyptic number.

43087511040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43087511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81473995152).

43087511040 is an abundant number, since it is smaller than the sum of its proper divisors (119860479264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43087511040 is a wasteful number, since it uses less digits than its factorization.

43087511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 43087511040 in words is "forty-three billion, eighty-seven million, five hundred eleven thousand, forty".